11886940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 27165600

約数和(自身を除く): 15278660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 349, 524, 655, 698, 1310, 1396, 1703, 1745, 2620, 3406, 3490, 4537, 6812, 6980, 8515, 9074, 17030, 18148, 22685, 34060, 45370, 45719, 90740, 91438, 182876, 228595, 457190, 594347, 914380, 1188694, 2377388, 2971735, 5943470, 11886940]

約数ペア:

[(1, 11886940), (2, 5943470), (4, 2971735), (5, 2377388), (10, 1188694), (13, 914380), (20, 594347), (26, 457190), (52, 228595), (65, 182876), (130, 91438), (131, 90740), (260, 45719), (262, 45370), (349, 34060), (524, 22685), (655, 18148), (698, 17030), (1310, 9074), (1396, 8515), (1703, 6980), (1745, 6812), (2620, 4537), (3406, 3490)]